Platinum
pt5.jpg

Name Origin: From the Spanish word platina (little silver)
Date of Discovery: 1735
Discoverer: Julius Scaliger
Symbol: Pt
Atomic Number: 78
Atomic Mass: 195.078 amu
The symbol for platinum was made by joining the symbols of silver and gold
Number of Protons/Electrons: 78
Number of Neutrons: 117
Found In: platinum ores as a solid
Melting Point:1772.0 °C (3221.6 °F)
Boiling Point: 3827.0 °C (6920.6 °F)
Density: 21.45 g/cm3
Uses: jewelry, containers, catalyst, coating missile nose cones, jet engine fuel nozzles, medical treatments of cancer
Fun Facts

Color of Platinum: silver-white
Number of Energy Levels: 6
First Energy Level:2
Second Energy Level: 8pt4.jpg
Third Energy Level: 18
Fourth Energy Level: 32
Fifth Energy Level: 17
Sixth Energy Level: 1

Discovered in South America
It is more valuable than gold
It is classified as a “Transition Metal”
 Sources pt3.jpg
http://chemicalelements.com/elements/pt.html
http://www.periodic-table.org.uk/element-platinum.htm
http://periodic.lanl.gov/elements/78.html